FR2129878B1 - - Google Patents

Info

Publication number
FR2129878B1
FR2129878B1 FR7109518A FR7109518A FR2129878B1 FR 2129878 B1 FR2129878 B1 FR 2129878B1 FR 7109518 A FR7109518 A FR 7109518A FR 7109518 A FR7109518 A FR 7109518A FR 2129878 B1 FR2129878 B1 FR 2129878B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7109518A
Other languages
French (fr)
Other versions
FR2129878A1 (https=
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VANNIER PHOTELEC LEROY
Original Assignee
VANNIER PHOTELEC LEROY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VANNIER PHOTELEC LEROY filed Critical VANNIER PHOTELEC LEROY
Priority to FR7109518A priority Critical patent/FR2129878B1/fr
Priority to IT4907372A priority patent/IT954373B/it
Publication of FR2129878A1 publication Critical patent/FR2129878A1/fr
Application granted granted Critical
Publication of FR2129878B1 publication Critical patent/FR2129878B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4219—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for enlargers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR7109518A 1971-03-18 1971-03-18 Expired FR2129878B1 (https=)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7109518A FR2129878B1 (https=) 1971-03-18 1971-03-18
IT4907372A IT954373B (it) 1971-03-18 1972-03-17 Dispositivo per misurare l intensi ta di un flusso luminoso in tutti i punti di una superficie destinata a ricevere questo flusso luminoso particolarmente utilizzabile con un ingranditore fotografico

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7109518A FR2129878B1 (https=) 1971-03-18 1971-03-18

Publications (2)

Publication Number Publication Date
FR2129878A1 FR2129878A1 (https=) 1972-11-03
FR2129878B1 true FR2129878B1 (https=) 1974-03-22

Family

ID=9073741

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7109518A Expired FR2129878B1 (https=) 1971-03-18 1971-03-18

Country Status (2)

Country Link
FR (1) FR2129878B1 (https=)
IT (1) IT954373B (https=)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235726B (de) * 1965-07-09 1967-03-02 Linhof Nikolaus Karpf K G Para Vorrichtung zur Scharfeinstellung und foto-sensitometrischen Ausmessung eines projizierten Bildes

Also Published As

Publication number Publication date
FR2129878A1 (https=) 1972-11-03
IT954373B (it) 1973-08-30

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Legal Events

Date Code Title Description
ST Notification of lapse